Dekatron

Dekatrons were used by Experimental Nuclear and High Energy physicists long before they embraced supreme technology of Digital signal processing and computers. This is the scheme of electrodes in a dekatron tube which was originally done for the lab manual at my University.

Edit and compile if you like:

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
% Dekatron
% Author Rohin T Narayan. 
% http://rohin.tn.googlepages.com. rohin.tn a t gmail.com.%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%This work is copyrighted under creative commons attribute license.
%You are free to copy, use, transmit this work either modified or original
%provided you leave the above header in the source code.
\documentclass{article}
\usepackage{xcolor}
\usepackage{tikz}
\usetikzlibrary{scopes}
\begin{document}
\begin{tikzpicture}[line width=1.1pt]
    \draw(0,0) circle(5cm);
    \draw(0,0) circle(1cm);
    \draw(0,0) node {\Huge$\mathbf{A}$};
    \draw(0,0) circle(4.5cm);
    \draw(-48:2.5) arc(-48:240:2.5cm);
    %% The outer nodes
    \foreach \x in {36,72,...,360}
        \shade[ball color=black](\x:5) circle(4pt);
    \foreach \nodes in {12,24,...,360}
        \shade[ball color=black](\nodes:3.5) circle(4pt);
    %%% The connecting nodes
    \foreach \angle in {-48,-12,...,240}
        \draw(\angle:2.5) --++(\angle:0.9cm);
    %%% outer interconnects
    \foreach \angle in {-24,12,...,306}
        \draw(\angle:3.6) --++(\angle:0.9cm);
    \foreach \y in {-24,12,...,240}
        \shade[ball color=black](\y:4.5cm) circle(4pt);
    %% outer most connections
    \foreach \angle in{-36,0,...,306}
        \draw(\angle:4.9cm) --(\angle:4.7cm) [rotate=\angle]arc(0:180:0.20cm);
    \foreach \angle in{-36,0,...,306}
        \draw(\angle:4.3cm) --(\angle:3.6cm);
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX